活頭鉆頭 的英文怎麼說
中文拼音 [huótóuzhēntóu]
活頭鉆頭
英文
collapsiblebit-
Special thermowell is manufactured from drilled bar stock to withstand pressure morethan 6. 4mpa, together with convenience in installation for movable connector
特製套管帶活動連接頭，安裝方便，整體鉆孔縮徑式套管結構，耐壓6 . 4mpaI then sat with my doll on my knee till the fire got low, glancing round occasionally to make sure that nothing worse than myself haunted the shadowy room ; and when the embers sank to a dull red, i undressed hastily, tugging at knots and strings as i best might, and sought shelter from cold and darkness in my crib. to this crib i always took my doll ; human beings must love something, and, in the dearth of worthier objects of affection, i contrived to find a pleasure in loving and cherishing a faded graven image, shabby as a miniature scarecrow. it puzzles me now to remember with what absurd sincerity i doated on this little toy, half fancying it alive and capable of sensation
隨后，我把玩偶放在膝頭枯坐著，直至爐火漸漸暗淡，還不時東張西望，弄清楚除了我沒有更可怕的東西光顧這昏暗的房間，待到余燼褪為暗紅色，我便急急忙忙拿出吃奶的勁來，寬衣解帶，鉆進小床，躲避寒冷與黑暗，我常把玩偶隨身帶到床上，人總得愛點什麼，在缺乏更值得愛的東西的時候，我便設想以珍愛一個褪了色的布偶來獲得愉快，盡管這個玩偶已經破爛不堪，活像個小小的稻草人，此刻憶起這件往事，也令我迷惑不解，當時，我是帶著何等荒謬的虔誠來溺愛這小玩具的呀！And dant s, happy to escape the history and explanation which would be sure to confirm his belief in his friend s mental instability, glided like a snake along the narrow passage ; while faria, restored by his alarm to a certain amount of activity, pushed the stone into place with his foot, and covered it with a mat in order the more effectually to avoid discovery
說著唐太斯象一條蛇似地鉆進了狹窄的地道里，他很高興能逃避去聽那個故事和解釋，因為這些只能使他更加確信他的難友又犯病了至於法利亞，他在驚惶之中倒恢復了一種活力，他用腳把那塊石頭推到原位，又拿一張草席蓋在上面，使它不易被發現。Polycrystalline diamond compact bit ( pdc bit ) is one of facilities in the drilling of petroleum and natural gas, and its capability, especially the rationality of the placing of cutting is very important to the speed and cost of drilling
Pdc鉆頭是油氣鉆井的重要工具，該鉆頭對地層的敏感性強，結構變化多、設計靈活，其性能（尤其是切削齒的布置合理性）對鉆井速度和成本影響很大。The mill which had worked them down, was the mill that grinds young people old ; the children had ancient faces and grave voices ; and upon them, and upon the grown faces, and ploughed into every furrow of age and coming up afresh, was the sign, hunger. it was prevalent everywhere
那碾磨著他們的是能把小夥子磨成老頭兒的磨兒童被它磨出了衰老的面容，發出了沉重的聲音它在他們的臉上，也在成年人的臉上，磨出了一道道歲月的溝畦，又鉆出來四處活躍。But the icelandic outfit hopes to drill to depths of 4km or more, to get closer to the magma that rises towards the surface along local faultlines
但是，這批冰島的工作人員希望能夠將鉆頭深入到地下4公里或更遠處，這樣可以更加接近沿局部的斷層線[ 7 ]向地表活動的巖漿。分享友人